package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

public class JdbcDemo3 {
    public static void main(String[] args) {
        try (
            Connection connection= DBUtil.getConnection();
        ){
            Statement statement = connection.createStatement();
            String sql = "UPDATE userinfo\n" +
                    "SET password = 888888\n" +
                    "WHERE username='范传奇'";
            System.out.println(sql);
            int num = statement.executeUpdate(sql);
            if (num>0){
                System.out.println("修改成功");
            } else {
                System.out.println("修改失败");
            }
        } catch (SQLException e) {
            throw new RuntimeException(e);
        }
    }
}
